package demo3;

import javax.swing.tree.TreeNode;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;

public class Tree {
/*    public List<Integer> inorderTraversalNor(TreeNode root) {
        Stack<Integer> stack = new Stack<>();
        List<Integer> list = new ArrayList<>();
        if(root == null){
            return null;
        }

    }*/
}
